统计推断(四) Information Geometry

1. Generalized Bayesian decision Formulation Soft decision: q x ( ⋅ ∣ y ) q_x(\cdot|y) qx​(⋅∣y) Cost function: C ( x , q x ) C(x,q_x) C(x,qx​) Cost function proper: p x ∣ y ( ⋅ ∣ y ) = arg ⁡ min ⁡ { q

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